What's the most technically impressive Gamecube game? (Day 11) + GBA Final

Board 8

I mean its 4 over Remake surely as Remake was using pre-rendered backgrounds pretty extensively, which is part of how it could get so much out of the Gamecube to begin with. It was a cool trick, but 4 is pushing the hardware more.
I just decided to change this sig.
Blaaaaaaargh azuarc